C Type-Thin Section Radial Contact Ball Bearings( Open)

Raydafon Group introduces C Type-Thin Section Radial Contact Ball Bearings (Open): precision-engineered for lightweight, space-saving applications in robotics, medical devices, and automation. With superior durability, reduced friction, and easy installation, they deliver smooth, reliable performance that enhances efficiency and extends equipment life. Ideal for engineers seeking compact, high-quality solutions, these bearings address complex motion challenges with unmatched precision. Experience the Raydafon difference—optimize your designs today.

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Product Description

C Type-Thin Section Radial Contact Ball Bearings( Open)C Type-thin section radial contact ball bearings(open) were designed to save space, lower the overall weight of your designs, dramatically reduce friction, and provide excellent running accuracy. You could downsize your design with thin section bearings and cut manufacturing costs without saving bearing performance or life.

Technical data

(1) HKAA series & HKA series

HKAA series							WeightKg
Type	(inch/mm) Dimension				NBasic Cap.
Type	d	D	L1	L2	Cor	Cr
HKAA010C	1.000 25.4	1.375 34.925	1.142 29.0	1.236 31.4	1290	670	0.012
HKAA015C	1.500 38.1	1.875 47.625	1.642 41.7	1.736 44.1	1780	800	0.018

HKA series							WeightKg
Type	(inch/mm) Dimension				NBasic Cap.
Type	d	D	L1	L2	Cor	Cr
HKA020C	2.000 50.8	2.500 63.5	2.186 55.5	2.134 58.8	3020	1420	0.048
HKA025C	2.500 63.5	3.000 76.2	2.686 68.2	2.814 71.5	3690	1600	0.059
HKA030C	3.000 76.2	3.5000 88.9	3.186 80.9	3.314 84.2	4400	1820	0.068
HKA035C	3.500 88.9	4.000 101.6	3.686 93.6	3.814 96.9	5070	2000	0.082
HKA040C	4.000 101.6	4.500 114.3	4.186 106.3	4.314 109.6	5730	2130	0.090
HKA042C	4.250 107.95	4.750 120.65	4.436 112.7	4.564 115.9	6090	2220	0.095
HKA045C	4.500 114.3	5.000 127	4.686 119	4.814 122.3	6400	2310	0.100
HKA047C	4.750 120.65	5.250 133.35	4.936 125.4	5.064 128.6	6760	2400	0.104
HKA050C	5.000 127.0	5.500 139.7	5.186 131.7	5.314 135.0	7070	2490	0.109
HKA060C	6.000 152.4	6.500 165.1	6.186 157.1	6.314 160.4	8450	2800	0.130
HKA065C	6.500 165.1	7.000 1.778	6.686 169.8	6.814 173.1	9110	2930	0.140
HKA070C	7.000 177.8	7.500 190.5	7.186 182.5	7.314 185.8	9780	3070	0.150
HKA075C	7.500 190.5	8.000 203.2	7.686 195.2	7.814 198.5	10450	3200	0.160
HKA080C	8.000 203.2	8.500 215.9	8.186 207.9	8.314 211.2	11110	3330	0.172
HKA090C	9.000 228.6	9.500 241.3	9.186 233.3	9.314 236.6	12490	3600	0.200
HKA100C	10.000 254	10.500 266.7	10.186 258.7	10.314 262.0	13820	3870	0.227
HKA110C	11.000 279.4	11.500 292.1	11.186 284.1	11.314 287.4	15160	4130	0.236
HKA120C	12.000 304.8	12.500 317.5	12.186 309.5	12.314 312.8	16540	4360	0.254

(2) HKB series

HKB series							WeightKg
Type	(inch/mm) Dimension				NBasic Cap.
Type	d	D	L1	L2	Cor	Cr
HKB020C	2.000 50.8	2.625 66.675	2.231 56.7	2.393 60.8	4130	2000	0.073
HKB025C	2.500 63.5	3.125 79.375	2.731 69.4	2.893 73.5	5070	2310	0.091
HKB030C	3.000 76.2	3.625 92.075	3.231 82.1	3.393 86.2	5960	2580	0.109
HKB035C	3.500 88.9	4.125 104.775	3.731 94.8	3.893 98.9	6850	2800	0.125
HKB040C	4.000 101.6	4.625 117.475	4.432 107.5	4.393 111.6	7780	3070	0.140
HKB042C	4.200 107.95	4.875 123.825	4.481 113.8	4.643 117.9	8130	3160	0.147
HKB045C	4.500 114.3	5.125 130.175	4.731 120.2	4.893 124.3	8670	3290	0.160
HKB047C	4.750 120.65	5.375 136.525	4.981 126.6	5.143 130.6	9020	3380	0.163
HKB050C	5.000 127.0	5.625 142.875	5.231 132.9	5.393 137.0	9560	3510	0.172
HKB055C	5.500 139.7	6.125 155.575	5.731 145.6	5.893 149.7	10490	3730	0.186
HKB060C	6.000 152.4	6.625 168.275	6.231 158.3	6.393 162.4	11380	3960	0.205
HKB065C	6.500 165.1	7.125 180.975	6.731 171.0	6.893 175.1	12270	4130	0.216
HKB070C	7.000 177.8	7.625 193.675	7.231 183.7	7.393 187.8	13200	4360	0.232
HKB075C	7.500 190.5	8.125 206.375	7.731 196.4	7.893 200.5	14090	4530	0.250
HKB080C	8.000 203.2	8.625 219.075	8.231 209.1	8.393 213.2	14980	4670	0.262
HKB090C	9.000 228.6	9.625 244.475	9.231 234.5	9.393 238.6	16800	5110	0.300
HKB100C	10.000 254	10.625 269.875	10.231 259.9	10.393 264.0	18620	5470	0.331
HKB110C	11.000 279.4	11.625 295.275	11.231 285.3	11.393 289.4	20400	5820	0.360
HKB120C	12.000 304.8	12.625 320.675	12.231 310.7	12.393 314.8	22230	6180	0.390
HKB140C	14.000 355.6	14.625 371.475	14.231 361.5	14.393 365.6	25830	6800	0.476
HKB160C	16.000 406.4	16.625 422.275	16.231 412.3	16.393 416.4	29430	7420	0.544
HKB180C	18.000 457.2	18.625 473.075	18.231 463.1	18.393 467.2	33070	8050	0.612
HKB200C	20.000 508	20.625 523.875	20.231 513.9	20.393 518.0	36670	8620	0.680

(3) HKC series

HKC series							WeightKg
Type	(inch/mm) Dimension				NBasic Cap.
Type	d	D	L1	L2	Cor	Cr
HKC040C	4.000 101.6	4.750 120.65	4.277 108.6	4.473 113.6	9330	3910	0.204
HKC042C	4.250 107.95	5.000 127.0	4.527 115.0	4.723